Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"de toan trac snippets" » "de toan tran snippets", "de thoan tran snippets", "de toan tap snippets", "ke toan trac snippets", "de hoan trac snippets", "de ton trac snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("de toan trac snippets"))) or ("locating bug core snippets"))~.
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